Jan Klabbers has taught international law at the University of Helsinki since 1996, and has held visiting professorships in New York, Geneva and Paris. He was director of the Centre of Excellence in Global Governance Research from 2006 to 2011, and has won a number of awards for excellence in teaching. He received his doctorate from the University of Amsterdam (with distinction), and his main publications include The Concept of Treaty in International Law (1996), An Introduction to International Institutional Law (2nd edition, 2009), Treaty Conflict and the European Union (2008) and, as co-author, The Constitutionalization of International Law (2009). Touko Piiparinen is a research fellow at the Finnish Institute of International Affairs, having worked as a postdoctoral researcher at the Centre of Excellence in Global Governance Research from 2009 to 2010. He received his doctorate from the renowned Department of International Politics at the University of Wales, Aberystwyth, and is the author of The Transformation of UN Conflict Management (2010). He has written numerous articles on conflict management, the United Nations system, and critical realist methodology in international relations theory.

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• Part I. Conceptual and Theoretical Overview: 1. Normative pluralism: an exploration Jan Klabbers and Touko Piiparinen; 2. Exploring the methodology of normative pluralism in the global age Touko Piiparinen; Part II. Normative Pluralism in Law: 3. Peaceful coexistence: normative pluralism in international law Jan Klabbers and Silke Trommer; 4. Inside or out: two types of international legal pluralism André Nollkaemper; Part III. Normative Pluralism and International Law: 5. Law v. honor: normative pluralism in the regulation of military conduct Rain Liivoja; 6. Law v. company rules: between convergence and conflict Katja Creutz; 7. Lex mercatoria in international arbitration Ulla Liukkunen; 8. Law v. Tradition: human rights and witchcraft in sub-Saharan Africa Timo Kallinen; 9. Law v. Bureaucratic culture: the case of the ICC and the transcendence of instrumental rationality Touko Piiparinen; 10. Law v. Religion: state law and religious norms Rubya Mehdi; 11. Global capital markets and financial reporting: international regulation but national application? Pontus Troberg; 12. Responsibility to rebuild and collective responsibility: legal and moral considerations Larry May.